The AAPCO Check Sample Program is a program to support laboratories that analyze commercial pesticide products and pesticide
formulations. The program is open to laboratories conducting both regulatory and industry analyses. The aim of the program is
to maintain the quality of analytical work and to increase the analytical capability of the participant laboratories.
The AAPCO Check Sample Program consists of five or six samples per year, with all samples mailed at the same time in late
September. The samples include a variety of pesticide active ingredients in matrices commonly encountered nationwide. The
results are reported in February of the following year. Read More...